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AssistantFelo Inc.

Glarity

Summarize YouTube, search results, and any page with ChatGPT.

Category
Assistant
Pricing
FREEMIUM
Source
Open core
Platforms
Browser extensionWeb
Models
Multi-model
Verified
Jun 13, 2026

Open-source browser extension that adds AI summaries and translation across the web: YouTube videos, Google/Bing results, PDFs, emails, and arbitrary pages. Works free and ad-free out of the box, with an option to bring your own model key for heavier use.

Capabilities 3

What it actually does — grouped by capability family.

  • Chat with documents (secondary capability)
  • Summarization (primary capability)
  • Translation (secondary capability)

Pros & cons

  • No account or sign-up required
  • Summarizes YouTube, search, PDFs, email
  • Chrome, Edge, Firefox, Safari, Opera
  • Open-source on GitHub
  • Summary quality depends on chosen model
  • YouTube summaries need captions
  • Heavy use favors a BYO key

Tags

Further reading

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Open Glarity